A8291

A8291 U Bolt

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Datasheet. A8291 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

1.250in. ⁓1-1/4"

Distance From Inside Center Of Bend To Bolt End

6.266in.

Inside Distance Between Shanks

2.281in.

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.438in. ⁓29/64"

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

20

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

32.0 rockwell c and 37.0 rockwell c

Minimum Yield Strength
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.

140000 pounds per square inch

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 1340h or steel comp 5145h

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-624 fed spec all material responses

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

round bend

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Answers.

What class is the thread series?

Unf

What is the style?

Round bend

What material is the u bolt made of ?

Steel comp 1340h or steel comp 5145h

What is the thread quantity per inch?

20

What is the thread length?

1.250 inches minimum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for A8291?

5306-00-737-1060

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of A8291?

FSC 5306 ⁓ Bolts

NSN 5306-00-737-1060 BOLT,U

unf thread series round bend 20 thread quantity per inch 1.250" thread length right-hand 2a thread class

NIIN
007371060
NIIN Date
01/01/61
Schedule B
7318152000 
Name Code
06665
FIIG
A003B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. GPW5455B Cage 23040
2. 15674 Cage 83120
3. GPW5455B Cage 57526

Major End Users Countries and entities

  • - Austria 
  • - Spain 
  • - Norway 
  • - Greece 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
50.0
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

A8291 / Bolt,uWhat is the formal definition of this item?

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.